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Finding the Fourth Proportional to 1,237,683, 1,708,002.54 and 701,139

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Solution

The fourth proportional to 1,237,683, 1,708,002.54 and 701,139 is: 967,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,683 : 1,708,002.54 = 701,139 : x
  2. Step 2: Convert to fraction form
    1,237,683/1,708,002.54 = 701,139/x
  3. Step 3: Cross multiply
    1,237,683x = 1,708,002.54 × 701,139
  4. Step 4: Simplify right side
    1,237,683x = 1,197,547,192,893.06
  5. Step 5: Solve for x
    x = 1,197,547,192,893.06/1,237,683
  6. Step 6: Final answer
    x = 967,571.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.